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Finding the Fourth Proportional to 55,346.10, 83,019.15 and 18,410.10

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Solution

The fourth proportional to 55,346.10, 83,019.15 and 18,410.10 is: 27,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,346.10 : 83,019.15 = 18,410.10 : x
  2. Step 2: Convert to fraction form
    55,346.10/83,019.15 = 18,410.10/x
  3. Step 3: Cross multiply
    55,346.10x = 83,019.15 × 18,410.10
  4. Step 4: Simplify right side
    55,346.10x = 1,528,390,853.42
  5. Step 5: Solve for x
    x = 1,528,390,853.42/55,346.10
  6. Step 6: Final answer
    x = 27,615.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.